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CN104284448A - Offline communication method and intelligent mobile terminal - Google Patents

Offline communication method and intelligent mobile terminal Download PDF

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Publication number
CN104284448A
CN104284448A CN201410466767.3A CN201410466767A CN104284448A CN 104284448 A CN104284448 A CN 104284448A CN 201410466767 A CN201410466767 A CN 201410466767A CN 104284448 A CN104284448 A CN 104284448A
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CN
China
Prior art keywords
terminal
tdd terminal
time slot
tdd
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410466767.3A
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Chinese (zh)
Inventor
赵士青
赵龙成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou TCL Mobile Communication Co Ltd
Original Assignee
Huizhou TCL Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huizhou TCL Mobile Communication Co Ltd filed Critical Huizhou TCL Mobile Communication Co Ltd
Priority to CN201410466767.3A priority Critical patent/CN104284448A/en
Publication of CN104284448A publication Critical patent/CN104284448A/en
Priority to US14/901,221 priority patent/US9807541B2/en
Priority to PCT/CN2015/071090 priority patent/WO2016037457A1/en
Priority to EP15786854.8A priority patent/EP3211958B1/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

The invention discloses an offline communication method and an intelligent mobile terminal. The offline communication method comprises the steps that a first TDD terminal receives an instruction for setting the mode that a D2D terminal device is communicated with a terminal device; the first TDD terminal responds to the instruction to exchange an uplink time slot and a downlink time slot and set the first TDD terminal to be in the mode of meeting a D2D communication environment; the first TDD terminal searches for adjacent TDD terminals which are not set in the D2D mode in the mode after the uplink time slot and the downlink time slot are exchanged, and connection is established after searching succeeds. By means of the mode, the close range intelligent mobile terminal can also achieve the communication function in the offline condition.

Description

The method of talk-around communication and intelligent mobile terminal
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and intelligent mobile terminal of talk-around communication.
Background technology
Universal along with the fast development of mobile communication terminal, particularly intelligent mobile terminal, it is more and more convenient that the interchange between people becomes, but in prior art, the communication between intelligent mobile terminal is all that medium realizes by networks such as Cellular Networks.Such as, two close proximity move intelligent mobile terminal to realize call, made a call by wherein side's intelligent dialing mobile terminal, forward through base station, call signal is sent to another called intelligent mobile terminal again, and then intelligent dialing mobile terminal and called intelligent mobile terminal are connected, be also like this in communication process, need to be forwarded by base station.
But, when running into natural calamity or emergency episode, as occur earthquake, fire or colliery cave in time, due to external cellular network device be damaged or intelligent mobile terminal cannot with external connected by network time, even if intelligent mobile terminal function is perfect again, also cannot connect with external, the best period of the disaster relief or mitigation may be missed, the calamity of expansion accident.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of talk-around communication method and intelligent mobile terminal, and in-plant intelligent mobile terminal can be made under off-grid condition also can to realize communication function.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of method providing talk-around communication, comprising:
One TDD terminal receives and is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication;
Described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and the machine are arranged to the environment meeting D2D communication;
A described TDD terminal is not set to the adjacent TDD terminal of D2D pattern near the pattern search after uplink and downlink timeslot to exchange, connect searching for successfully.
Wherein, after the adjacent TDD terminal of a described TDD terminal and the described D2D of not being set to pattern connects, a described TDD intelligent terminal and described adjacent TDD terminal use same channel.
Wherein, after the adjacent TDD terminal of a described TDD terminal and the described D2D of not being set to pattern connects, the working time slot of a described TDD terminal is synchronous with the working time slot of described adjacent TDD terminal.
Wherein, described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and also comprise the steps: after the machine being arranged to the step of the environment meeting D2D communication
The outside broadcast message of a described TDD terminal, shares the resource of a described TDD terminal for focus with a described TDD terminal with the 2nd TDD terminal not being set to D2D pattern near enabling.
Wherein, the quantity of described 2nd TDD terminal is at least one, described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and after the machine being arranged to the step of the environment meeting D2D communication, also comprise: the search not being set to the adjacent TDD terminal of D2D pattern near reception, connect after confirming acceptance.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of intelligent mobile terminal, and described intelligent mobile terminal is TDD terminal, comprising: receiver module, control module, search module and link block,
Described TDD terminal is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication for receiving by described receiver module;
Ascending time slot and descending time slot are exchanged for responding described instruction by described control module, and the machine are arranged to the environment meeting D2D communication;
Described search module is used for the adjacent TDD terminal not to be set to D2D pattern near the pattern search after exchanging upper and lower time slot;
Described link block is used for connecting with described adjacent TDD terminal.
Wherein, described control module, also for after connecting with described TDD terminal communication and described adjacent TDD terminal, selects the channel identical with described adjacent TDD terminal.
Wherein, described control module also for arranging the working time slot identical with described adjacent TDD terminal after connecting with described TDD terminal communication and described adjacent TDD terminal.
Wherein, described intelligent mobile terminal also comprises transmitter module, and described transmitter module is used for outside broadcast message, with the described adjacent TDD terminal not being arranged to D2D pattern near enabling with described TDD terminal for focus and share the resource of described TDD terminal.
Wherein, the quantity of described adjacent TDD terminal is at least one.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention the one TDD terminal receives is arranged to D2D terminal equipment to after the instruction of the pattern of terminal equipment in communication, ascending time slot and descending time slot are exchanged, to be arranged to D2D communication pattern, then, not to be arranged to the adjacent TDD terminal of D2D pattern near the pattern search after exchanging, and connect with it.The receiving slot of the corresponding adjacent TDD terminal of the sending time slots due to a TDD terminal, the sending time slots of the corresponding adjacent TDD terminal of receiving slot of the one TDD terminal, a TDD terminal can be made to realize when there is no network or network signal is weak and be not arranged to the communication between the adjacent TDD of D2D pattern, to realize, when there is natural calamity or other accidents, effectively to promote rescue efficiency.And, because the communication mode between a TDD terminal and adjacent TDD terminal is talk-around communication, namely it doesn't matter with rate networks such as extraneous Cellular Networks, therefore, communication between one TDD terminal and adjacent TDD terminal is free communication mode, further for user saves consumer cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method one execution mode of talk-around communication of the present invention;
Fig. 2 is the operation principle schematic diagram of the method for talk-around communication of the present invention;
Fig. 3 is the schematic flow sheet of another execution mode of method of talk-around communication of the present invention;
Fig. 4 is the structural representation of intelligent mobile terminal one execution mode of the present invention;
Fig. 5 is the structural representation of another execution mode of intelligent mobile terminal of the present invention.
Embodiment
Consult Fig. 1, Fig. 1 is the schematic flow sheet of method one execution mode of talk-around communication of the present invention.The method of the talk-around communication of present embodiment comprises:
101: the one TDD terminals receive and are set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication.
TDD and time division duplex (Time Division Duplexing), in the downgoing line operation in frame period, distinguish wireless channel in time and continue a kind of technology of uplink operation, also be one of duplex technology of mobile communication technology use, corresponding with FDD (Frequency Division Duplexing).
TDD terminal refers in mobile communication system, receives and be transmitted in the different time-gap of same frequency channels, is separated the mode terminal of reception and transfer channel with guard time, uses tdd mode to make full use of wireless frequency spectrum.As shown in the adjacent TDD terminal of Fig. 2, the adjacent TDD terminal of Fig. 2 is tdd mode communication time slot distribution schematic diagram.In the adjacent TDD terminal of Fig. 2, the a bit of time is divided into time slot 1, time slot 2, time slot 3 and time slot 4, and wherein, time slot 1 and time slot 3 are for uplink communication, namely time slot 1 and time slot 3 are ascending time slot, time slot 2 and time slot 4 are for downlink communication, and namely time slot 2 and time slot 4 are descending time slot, wherein, if ascending time slot is for receiving data, then namely descending time slot is used for sending data, depends on the setting of the opposing party communicated with base station etc., does not limit herein.Further, uplink and downlink communication works in same frequency, effectively can improve the performance of terminal, reduce the cost of terminal.
The above-mentioned working method of TDD terminal and advantage provide possibility for its talk-around communication.
When user needs to utilize a TDD terminal to carry out talk-around communication, send to a TDD terminal and a TDD terminal is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication.
Accordingly, a TDD terminal receives the above-mentioned instruction being set to D2D communication pattern.
102: described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and the machine is arranged to the environment meeting D2D communication.
Because a TDD terminal is when as normal mobile communication terminal, in order to realize the communication function with other-end, its ascending time slot is all identical with the pattern of descending time slot and other all mobile communication terminals, namely contrary with descending time slot with the ascending time slot of base station, the i.e. receiving slot of the corresponding mobile communication terminal of the transmission time slot of base station, the sending time slots of the corresponding mobile communication terminal of receiving slot of base station, as shown in the adjacent TDD terminal of Fig. 2.
Therefore, in order to realize the function of terminal equipment to terminal equipment in communication, the above-mentioned instruction received of a TDD terminal response, exchanges ascending time slot and descending time slot, to play the effect being equivalent to base station.As shown in a TDD terminal of Fig. 2, a TDD terminal of Fig. 2 is the tdd mode communication time slot distribution schematic diagram after being exchanged by upper and lower time slot.In the one TDD terminal of Fig. 2, ascending time slot and descending time slot are exchanged by a TDD terminal, and time slot 1 and time slot 3 are descending time slot, and time slot 2 and time slot 4 are ascending time slot, just contrary with the adjacent TDD terminal in the adjacent TDD terminal of Fig. 2.And its all kinds of parameter is also all configured to the environment meeting D2D communication by a TDD terminal.Such as information transfer rate parameter, the parameters such as system operating power parameter, signal transmission form, do not limit at this.
103: a described TDD terminal is not set to the adjacent TDD terminal of D2D pattern near the pattern search after uplink and downlink timeslot to exchange, connect searching for successfully.
Himself ascending time slot and descending time slot are being exchanged by the one TDD terminal, after being arranged to D2D pattern, start function of search, whether search has the attachable adjacent TDD terminal not being arranged to D2D pattern around, and connect with above-mentioned adjacent TDD terminal searching for successfully, because the uplink and downlink timeslot of the two is just contrary, as in the adjacent TDD terminal of Fig. 2, time slot 1 is ascending time slot, and time slot 1 is descending time slot in a TDD terminal of Fig. 2, time slot 2 in the adjacent TDD terminal of Fig. 2 is descending time slot, and in a TDD terminal of Fig. 2, time slot 2 is ascending time slot; The i.e. receiving slot of the corresponding adjacent TDD terminal of the sending time slots of a TDD terminal, the sending time slots of the corresponding adjacent TDD terminal of receiving slot of the one TDD terminal, one TDD terminal is equivalent to base station, and therefore, a TDD terminal can directly communicate with adjacent TDD terminal.In communication process, a TDD terminal and adjacent TDD terminal use same channel, namely use same frequency carrier to carry out transfer of data.And the working time slot of a TDD terminal is synchronous with the working time slot of adjacent TDD terminal.
In addition, the communication between a TDD terminal and adjacent TDD terminal is not only confined to converse, and can also be receive and send messages, game interactive etc., limit herein.
It should be noted that, because the communication mode between a TDD terminal and adjacent TDD terminal is talk-around communication, namely it doesn't matter with rate networks such as extraneous Cellular Networks, therefore, communication between one TDD terminal and adjacent TDD terminal is free communication mode, further for user saves consumer cost.
Be different from prior art, the present invention the one TDD terminal receives is arranged to D2D terminal equipment to after the instruction of the pattern of terminal equipment in communication, ascending time slot and descending time slot are exchanged, to be arranged to D2D communication pattern, then, not to be arranged to the adjacent TDD terminal of D2D pattern near the pattern search after exchanging, and connect with it, the receiving slot of the corresponding adjacent TDD terminal of the sending time slots due to a TDD terminal, the sending time slots of the corresponding adjacent TDD terminal of receiving slot of the one TDD terminal, a TDD terminal can be made to realize when there is no network or network signal is weak and be not arranged to the communication between the adjacent TDD of D2D pattern, to realize when there is natural calamity or other accidents, effectively can promote rescue efficiency.And, because the communication mode between a TDD terminal and adjacent TDD terminal is talk-around communication, namely it doesn't matter with rate networks such as extraneous Cellular Networks, therefore, communication between one TDD terminal and adjacent TDD terminal is free communication mode, further for user saves consumer cost.
In another embodiment, as shown in Figure 3, as 3 is schematic flow sheets of another execution mode of talk-around communication method of the present invention.
The method of present embodiment comprises:
301: the one TDD terminals receive and are set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication.
When user needs to utilize a TDD terminal to carry out talk-around communication, send to a TDD terminal and a TDD terminal is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication.
One TDD terminal receives the above-mentioned instruction being set to D2D communication pattern.
Described in 302: the one TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and the machine are arranged to the environment meeting D2D communication.
In order to realize the function of whole equipment to terminal equipment in communication, the above-mentioned instruction received of one TDD terminal response, ascending time slot and descending time slot are exchanged, to play the effect being equivalent to base station, its all kinds of parameter is also all configured to the environment meeting D2D communication by a TDD terminal simultaneously.Such as information transfer rate parameter, the parameters such as system operating power parameter, signal transmission form, do not limit at this.After the configuration has been completed, a TDD terminal is not arranged to the search of the adjacent TDD terminal of D2D pattern near receiving, and is confirming that accepting adjacent TDD terminal that is rear and the above-mentioned D2D of not being arranged to pattern connects.By this kind of mode, the present embodiment achieves active searching and passive search two kinds of modes simultaneously, and when adjacent TDD terminal can also be avoided not possess arrange function, active searching cannot realize the defect that D2D connects.
The outside broadcast message of 303: the one TDD terminal, shares the resource of a described TDD terminal for focus with a described TDD terminal with the 2nd TDD terminal not being set to D2D pattern near enabling.
After upper and lower time slot is exchanged by the one TDD terminal, with the form of focus to neighbouring broadcast message, the 2nd TDD terminal of the neighbouring D2D of not being arranged to pattern receives above-mentioned information, by after a TDD terminal authentication, shares the resource in a TDD terminal.Wherein, the 2nd TDD terminal can be one, also can be the resource that multiple 2nd TDD terminal shares in a TDD terminal simultaneously.Be different from prior art, in present embodiment, a TDD terminal is after exchanging ascending time slot and descending time slot, outside transmitting information, the 2nd TDD terminal not being arranged to D2D pattern near can making with it for focus, resource-sharing in one TDD terminal is given at least one the 2nd TDD terminal, the memory headroom of the above-mentioned resource of downloaded stored of the 2nd TDD terminal can be saved.In addition, when being in an emergency, at extraneous network during unavailable or weak output signal, immediately information being passed to other the 2nd TDD terminals, increasing communicative channel, effectively can promote rescue efficiency.
Consult Fig. 4, Fig. 4 is the structural representation of intelligent mobile terminal one execution mode of the present invention.The intelligent mobile terminal of present embodiment is TDD terminal, comprises receiver module 401, control module 402, search module 403 and link block 404.
Receiver module 301 is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication for receiving.
TDD and time division duplex (Time Division Duplexing), in the downgoing line operation in frame period, distinguish wireless channel in time and continue a kind of technology of uplink operation, also be one of duplex technology of mobile communication technology use, corresponding with FDD (Frequency Division Duplexing).
TDD terminal refers in mobile communication system, receives and be transmitted in the different time-gap of same frequency channels, is separated the mode terminal of reception and transfer channel with guard time, uses tdd mode to make full use of wireless frequency spectrum.As shown in the adjacent TDD terminal of Fig. 2, the a bit of time is divided into time slot 1, time slot 2, time slot 3 and time slot 4, and wherein, time slot 1 and time slot 3 are for uplink communication, namely time slot 1 and time slot 3 are ascending time slot, time slot 2 and time slot 4 are for downlink communication, and namely time slot 2 and time slot 4 are descending time slot, wherein, if ascending time slot is for receiving data, then namely descending time slot is used for sending data, depends on the setting of the opposing party communicated with base station etc., does not limit herein.And uplink and downlink communication works in same frequency, effectively can improve the performance of terminal, reduce the cost of terminal.
The above-mentioned working method of TDD terminal and advantage provide possibility for its talk-around communication.
When user needs to utilize TDD terminal to carry out talk-around communication, send to TDD terminal and be set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication.
Accordingly, receiver module 401 receives above-mentioned instruction TDD terminal being set to D2D communication pattern.
Ascending time slot and descending time slot are exchanged for responding described instruction by control module 402, and the machine are arranged to the environment meeting D2D communication.
Because TDD terminal is when as normal mobile communication terminal, in order to realize the communication function with other-end, its ascending time slot is all identical with the pattern of descending time slot and other all mobile communication terminals, namely contrary with descending time slot with the ascending time slot of base station, the i.e. receiving slot of the corresponding mobile communication terminal of the transmission time slot of base station, the sending time slots of the corresponding mobile communication terminal of receiving slot of base station, as shown in the adjacent TDD terminal of Fig. 2.
Therefore, in order to realize the function of terminal equipment to terminal equipment in communication, control module 402 responds the above-mentioned instruction received, and ascending time slot and descending time slot is exchanged, to play the effect being equivalent to base station.As shown in a TDD terminal of Fig. 2, ascending time slot and descending time slot are exchanged by a TDD terminal, and time slot 1 and time slot 3 are descending time slot, and time slot 2 and time slot 4 are ascending time slot, just contrary with the adjacent TDD terminal in the adjacent TDD terminal of Fig. 2.And its all kinds of parameter is also all configured to the environment meeting D2D communication by control module 402.Such as information transfer rate parameter, the parameters such as system operating power parameter, signal transmission form, do not limit at this.
Search module 403 is for the adjacent TDD terminal not to be set to D2D pattern near the pattern search after exchanging upper and lower time slot;
Ascending time slot and descending time slot are being exchanged by control module 402, after being arranged to D2D pattern, start function of search, whether search module 403 is searched for has the attachable adjacent TDD terminal not being arranged to D2D pattern around, and link block 404 is searched for successfully at search module 403 and connected with above-mentioned adjacent TDD terminal.
Because the uplink and downlink timeslot of the two is just contrary, as in the adjacent TDD terminal of Fig. 2, time slot 1 is ascending time slot, and time slot 1 is descending time slot in a TDD terminal of Fig. 2, the time slot 2 in the adjacent TDD terminal of Fig. 2 is descending time slot, and in a TDD terminal of Fig. 2, time slot 2 is ascending time slot; The i.e. receiving slot of the corresponding adjacent TDD terminal of the sending time slots of TDD terminal, the sending time slots of the corresponding adjacent TDD terminal of receiving slot of TDD terminal, therefore, TDD terminal can directly communicate with adjacent TDD terminal.In communication process, TDD terminal and adjacent TDD terminal use same channel, namely use same frequency carrier to carry out transfer of data, and the working time slot of TDD terminal is synchronous with the working time slot of adjacent TDD terminal.
Wherein, the communication between the TDD terminal of D2D pattern and adjacent TDD terminal is not only confined to converse, and can also receive and send messages, game interactive etc., do not limit herein.
It should be noted that, because the communication mode between TDD terminal and adjacent TDD terminal is talk-around communication, namely it doesn't matter with rate networks such as extraneous Cellular Networks, therefore, communication between TDD terminal and adjacent TDD terminal is free communication mode, further for user saves consumer cost.
Be different from prior art, receiver module in present embodiment receives is arranged to D2D terminal equipment to after the instruction of the pattern of terminal equipment in communication, ascending time slot and descending time slot are exchanged by control module, to be arranged to D2D communication pattern, then, search module is not to be arranged to the adjacent TDD terminal of D2D pattern near the pattern search after exchanging, the adjacent TDD terminal that link block and search module search connects.The receiving slot of the corresponding adjacent TDD terminal of the sending time slots due to TDD terminal, the sending time slots of the corresponding adjacent TDD terminal of receiving slot of TDD terminal, TDD terminal can be made to realize when there is no network or network signal is weak and be not arranged to the communication between the adjacent TDD of D2D pattern, to realize, when there is natural calamity or other accidents, effectively to promote rescue efficiency.And, because the communication mode between TDD terminal and adjacent TDD terminal is talk-around communication, namely it doesn't matter with rate networks such as extraneous Cellular Networks, therefore, communication between TDD terminal and adjacent TDD terminal is free communication mode, further for user saves consumer cost.
Consult Fig. 5, Fig. 5 is the structural representation of another execution mode of intelligent mobile terminal of the present invention.The difference of the intelligent mobile terminal of present embodiment and the intelligent mobile terminal of a upper execution mode is, the intelligent mobile terminal of present embodiment, except comprising receiver module 501, control module 502, search module 503 and link block 504, also comprises transmitter module 505.
Transmitter module 505 is for after the mobile intelligent terminal of tdd mode is arranged to D2D terminal by control module 502, outside broadcast message, near be not arranged to D2D pattern adjacent TDD terminal receive above-mentioned information, by after TDD terminal authentication, share the resource in TDD terminal.Wherein, adjacent TDD terminal can be one, also can be the resource that multiple adjacent TDD terminal shares in TDD terminal simultaneously.
Be different from prior art, in present embodiment, control module is after exchanging ascending time slot and descending time slot, outside transmitting information, the adjacent TDD terminal not being arranged to D2D pattern near can making with it for focus, resource-sharing in TDD terminal is given at least one the 2nd TDD terminal, the memory headroom of the above-mentioned resource of downloaded stored of adjacent TDD terminal can be saved.In addition, when being in an emergency, at extraneous network during unavailable or weak output signal, immediately information being passed to other at least one adjacent TDD terminals, increasing communicative channel, effectively can promote rescue efficiency.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. a method for talk-around communication, is characterized in that, comprising:
One TDD terminal receives and is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication;
Described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and the machine are arranged to the environment meeting D2D communication;
A described TDD terminal is not set to the adjacent TDD terminal of D2D pattern near the pattern search after uplink and downlink timeslot to exchange, connect searching for successfully.
2. method according to claim 1, is characterized in that, after the adjacent TDD terminal of a described TDD terminal and the described D2D of not being set to pattern connects, a described TDD intelligent terminal and described adjacent TDD terminal use same channel.
3. method according to claim 1, is characterized in that, after the adjacent TDD terminal of a described TDD terminal and the described D2D of not being set to pattern connects, the working time slot of a described TDD terminal is synchronous with the working time slot of described adjacent TDD terminal.
4. method according to claim 1, is characterized in that, described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and also comprises the steps: after the machine being arranged to the step of the environment meeting D2D communication
The outside broadcast message of a described TDD terminal, shares the resource of a described TDD terminal for focus with a described TDD terminal with the 2nd TDD terminal not being set to D2D pattern near enabling.
5. method according to claim 4, it is characterized in that, the quantity of described 2nd TDD terminal is at least one, described in a described TDD terminal response, ascending time slot and descending time slot are exchanged by instruction, and after the machine being arranged to the step of the environment meeting D2D communication, also comprise: the search not being set to the adjacent TDD terminal of D2D pattern near reception, connect after confirming acceptance.
6. an intelligent mobile terminal, is characterized in that, described intelligent mobile terminal is TDD terminal, comprising: receiver module, control module, search module and link block,
Described TDD terminal is set to the instruction of D2D terminal equipment to the pattern of terminal equipment in communication for receiving by described receiver module;
Ascending time slot and descending time slot are exchanged for responding described instruction by described control module, and the machine are arranged to the environment meeting D2D communication;
Described search module is used for the adjacent TDD terminal not to be set to D2D pattern near the pattern search after exchanging upper and lower time slot;
Described link block is used for connecting with described adjacent TDD terminal.
7. intelligent mobile terminal according to claim 6, is characterized in that, described control module, also for after connecting with described TDD terminal communication and described adjacent TDD terminal, selects the channel identical with described adjacent TDD terminal.
8. intelligent mobile terminal according to claim 6, is characterized in that, described control module also for arranging the working time slot identical with described adjacent TDD terminal after connecting with described TDD terminal communication and described adjacent TDD terminal.
9. intelligent mobile terminal according to claim 6, it is characterized in that, described intelligent mobile terminal also comprises transmitter module, described transmitter module is used for outside broadcast message, with the described adjacent TDD terminal not being arranged to D2D pattern near enabling with described TDD terminal for focus and share the resource of described TDD terminal.
10. intelligent mobile terminal according to claim 9, is characterized in that, the quantity of described adjacent TDD terminal is at least one.
CN201410466767.3A 2014-09-12 2014-09-12 Offline communication method and intelligent mobile terminal Pending CN104284448A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201410466767.3A CN104284448A (en) 2014-09-12 2014-09-12 Offline communication method and intelligent mobile terminal
US14/901,221 US9807541B2 (en) 2014-09-12 2015-01-20 Offline communication method and intelligent mobile terminal
PCT/CN2015/071090 WO2016037457A1 (en) 2014-09-12 2015-01-20 Method and intelligent mobile terminal for out-of-service communication
EP15786854.8A EP3211958B1 (en) 2014-09-12 2015-01-20 Method and intelligent mobile terminal for out-of-service communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410466767.3A CN104284448A (en) 2014-09-12 2014-09-12 Offline communication method and intelligent mobile terminal

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Publication Number Publication Date
CN104284448A true CN104284448A (en) 2015-01-14

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CN201410466767.3A Pending CN104284448A (en) 2014-09-12 2014-09-12 Offline communication method and intelligent mobile terminal

Country Status (4)

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US (1) US9807541B2 (en)
EP (1) EP3211958B1 (en)
CN (1) CN104284448A (en)
WO (1) WO2016037457A1 (en)

Cited By (5)

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